org.hibernate.query.sqm.tree.predicate.SqmNullnessPredicate Maven / Gradle / Ivy
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.query.sqm.tree.predicate;
import org.hibernate.query.sqm.NodeBuilder;
import org.hibernate.query.sqm.SemanticQueryWalker;
import org.hibernate.query.sqm.tree.expression.SqmExpression;
/**
* @author Steve Ebersole
*/
public class SqmNullnessPredicate extends AbstractNegatableSqmPredicate {
private final SqmExpression expression;
public SqmNullnessPredicate(SqmExpression expression, NodeBuilder nodeBuilder) {
this( expression, false, nodeBuilder );
}
public SqmNullnessPredicate(SqmExpression expression, boolean negated, NodeBuilder nodeBuilder) {
super( negated, nodeBuilder );
this.expression = expression;
}
public SqmExpression getExpression() {
return expression;
}
@Override
public T accept(SemanticQueryWalker walker) {
return walker.visitIsNullPredicate( this );
}
}